Is This Your First Look at Naomi Watts as Marilyn Monroe?

How determined is Andrew Dominik to get his Naomi Watts-toplined Marilyn Monroe film out before a competing one that stars Michelle Williams? This determined: we already have our first look at Watts as Monroe in Blonde, and the film hasn't even started shooting yet. Allocine (via The Playlist) noticed a poster touting the film at Cannes, and there's speculation that the image came from a fitting or screen test; personally, I thought it was Monroe herself until I squinted real hard (Watts looks a little thinner than the sex siren here). Still looks kinda morphed together! Have a gander at the big version of the image and decide for yourself: